Eval Injection Affecting firefox package, versions <0:52.8.0-1.el7_5


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.54% (87th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-4827390
  • published26 Jul 2021
  • disclosed9 May 2018

Introduced: 9 May 2018

CVE-2018-5158  (opens in a new tab)
CWE-95  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:52.8.0-1.el7_5 or higher.
This issue was patched in RHSA-2018:1415.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The PDF viewer does not sufficiently sanitize PostScript calculator functions, allowing malicious JavaScript to be injected through a crafted PDF file. This JavaScript can then be run with the permissions of the PDF viewer by its worker. This vulnerability affects Firefox ESR < 52.8 and Firefox < 60.